Func Del Duplicate Int In Arr

#include <iostream>
#include <ctime>

using namespace std;

void del_dublicate_int_in_arr(int * arr_int, int size_arr_int)
{
    int * unique_digs = new int[1];
    int size_unique_digs = 1;
    bool unique = true;

    if(size_arr_int > 0) {
        unique_digs[0] = arr_int[0];

        for(int i = 1; i < size_arr_int; i++)
        {
            for (int j = 0; j < size_unique_digs; j++)
            {
                arr_int[i] == unique_digs[j] ? unique = false : unique = unique;
            }

            if (unique == true)
            {
                unique_digs[size_unique_digs] = arr_int[i];
                size_unique_digs++;
            }
        }
    }

    delete [] arr_int;

    for(int i = 0; i < size_unique_digs; i++)
    {
        arr_int[i] = unique_digs[i];
        cout << arr_int[i] << " ";
    }

    delete [] unique_digs;
}

int main()
{
    srand(time(NULL));
    int*arr_int = new int[100];

    for(int i = 0; i < 100; i++)
    {
        arr_int[i] = rand() % 50 + 1;
        cout << arr_int[i] << " ";
    }
    cout << endl;


    del_dublicate_int_in_arr(arr_int, 100);


    return 0;
}